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Agent skill

Document Spf Feature

by videojs in videojs/video.js

Document an SPF feature record. An agent skill from videojs/video.js.

Custom licenceAuto-check passed

Install Document Spf Feature

skills CLI
$ npx skills add videojs/video.js --skill document-spf-feature -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install videojs/video.js document-spf-feature --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/videojs/video.js.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/document-spf-feature .claude/skills/document-spf-feature && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
document-spf-feature
GitHub stars
40k
Token cost
~424 tokens
SKILL.md length
193 words
Files
2 (incl. references)
Skills in repo
38
Repo updated
First seen
Licence
Custom licence

At a glance

Document an SPF feature record. An agent skill from videojs/video.js.

  • Works in 4 steps: Classify the engine capability and… → Separate current behavior from proposed… → For shipped work, retain decisions,… → …
  • The user explicitly requests capability scope
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Document Spf Feature is an agent skill from videojs/video.js. Document an SPF feature record. Use when the user explicitly requests capability scope, relationships, status, constraints, or evidence.

Its SKILL.md is about 420 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/workflow.md`).

The repository describes itself as: Video.js v10 - open source media player framework for HTML and React.

When your agent uses it

  • The user explicitly requests capability scope

Example prompts

  • “/document-spf-feature”

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Classify the engine capability and distinguish it from delivery use cases or implementation conventions.
  2. Separate current behavior from proposed direction and decisions still needed.
  3. For shipped work, retain decisions, consequences, and current source pointers. For future work, retain scope, boundaries, and evidence…
  4. Update directly affected entries only when their facts changed; verify links and relationship symmetry.

What it can do on your machine

Read from SKILL.md and the folder at commit 50f59a2. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Document Spf Feature loads about 424 tokens when it runs, and up to ~7.9k if it reads all its reference files. Until then it costs about 39 tokens; SKILL.md has 193 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~39
When it runs · the whole SKILL.md, loaded when a task matches
~424
With references · SKILL.md plus every file in references/, read only if the agent opens them
~7.9k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 193 words (~424 tokens).

“Read references/workflow.md completely before acting; it contains the detailed registry, decomposition, evidence, cascade, and validation workflow.”

— opening of SKILL.md by videojs, Custom licence
name
document-spf-feature

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file (references) in .agents/skills/document-spf-feature of videojs/video.js.

  • SKILL.md
  • references/workflow.md

Open the folder on GitHubat commit 50f59a2

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders. This page covers the copy in videojs/video.js, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Document Spf Feature next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Document Spf Feature compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Document Spf Feature this skillvideojs/video.js40k—~424Automated safety check: PassCustom licence
Recordingcodewhale-hq/Codewhale41k—~540Automated safety check: PassMIT
No Explicit Anythedaviddias/Front-End-Checklist74k—~565Automated safety check: PassMIT
Grill And Recordasgeirtj/system_prompts_leaks69k—~912Automated safety check: PassCC0-1.0
Architecture Decision Recordsaffaan-m/ECC274k4 repos~1.8kAutomated safety check: PassMIT
Architecture Decision Recordsaffaan-m/ECC274k1 repos~863Automated safety check: PassMIT

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  • Write API Reference

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  • Write Docs

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    Write Video.js guides, concepts, READMEs, and JSDoc. An agent skill from videojs/video.js.

    40k GitHub stars~741 tokensUpdated today
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  • Write Locale Translations

    videojs/video.js

    Translate or audit the values in a Video.js locale pack. An agent skill from videojs/video.js.

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  • Change Spf Behavior

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Questions about Document Spf Feature

What does Document Spf Feature do?

Document an SPF feature record. An agent skill from videojs/video.js. js. Document an SPF feature record.

When should I use Document Spf Feature?

Document Spf Feature fits situations like: the user explicitly requests capability scope.

How do I install Document Spf Feature in Claude Code?

Run `npx skills add videojs/video.js --skill document-spf-feature -a claude-code`. Or copy the skill folder (.agents/skills/document-spf-feature in videojs/video.js) into .claude/skills/document-spf-feature in your project. Claude Code loads it when a task matches its description.

How do I install Document Spf Feature in Codex?

Run `npx skills add videojs/video.js --skill document-spf-feature -a codex`. Or copy the skill folder (.agents/skills/document-spf-feature in videojs/video.js) into .agents/skills/document-spf-feature in your project. Codex loads it when a task matches its description.

Can I use Document Spf Feature in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add videojs/video.js --skill document-spf-feature -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/document-spf-feature, .gemini/skills/document-spf-feature, .github/skills/document-spf-feature and .opencode/skills/document-spf-feature in your project.

What does Document Spf Feature need to run?

SKILL.md names no scripts, command-line tools or credentials: Document Spf Feature is instructions for the agent only.

Does Document Spf Feature access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Document Spf Feature safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Document Spf Feature use?

Document Spf Feature has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Document Spf Feature use?

About 424 tokens (SKILL.md is roughly 1.7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 7.5k tokens, read only when the agent opens those files.

What are the alternatives to Document Spf Feature?

Skills that share tags, products or a category with Document Spf Feature: Recording (codewhale-hq/Codewhale, 41k stars), No Explicit Any (thedaviddias/Front-End-Checklist, 74k stars), Grill And Record (asgeirtj/system_prompts_leaks, 69k stars) and Architecture Decision Records (affaan-m/ECC, 274k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Document Spf Feature?

videojs (a GitHub organization) maintains it in videojs/video.js, which has 39,909 GitHub stars. The repository holds 38 skills in this directory. The repository was last updated on October 7, 2026.

Source: videojs/video.js on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.